AboveBelow Zone

using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;

namespace cAlgo
{
    [Levels(0)]
    [Cloud("Zone", "Levelzero", FirstColor = "ForestGreen", SecondColor = "Orange", Opacity = 0.3)]
    [Indicator(IsOverlay = false, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class mAboveBelow : Indicator
    {
        [Parameter("Period (9)", DefaultValue = 9, Group = "Indicator")]
        public int inpPeriod { get; set; }
        [Parameter("Smooth Type (ema)", DefaultValue = MovingAverageType.Exponential, Group = "Indicator")]
        public MovingAverageType inpSmoothType { get; set; }

        [Output("Zone", LineColor = "Green", PlotType = PlotType.Line, Thickness = 1)]
        public IndicatorDataSeries outABZone { get; set; }
        [Output("Levelzero", LineColor = "Transparent", PlotType = PlotType.Line, Thickness = 1)]
        public IndicatorDataSeries outLevelZero { get; set; }

        private IndicatorDataSeries _above, _below, _abo;
        private MovingAverage _pricesmooth, _abosmooth;


        protected override void Initialize()
        {
            _above = CreateDataSeries();
            _below = CreateDataSeries();
            _abo = CreateDataSeries();
            _pricesmooth = Indicators.MovingAverage(Bars.ClosePrices, inpPeriod, inpSmoothType);
            _abosmooth = Indicators.MovingAverage(_abo, inpPeriod, inpSmoothType);
        }

        public override void Calculate(int i)
        {
            _above[i] = (Bars.ClosePrices[i] > _pricesmooth.Result[i] ? Bars.ClosePrices[i] - _pricesmooth.Result[i] : 0.0);
            _below[i] = (Bars.ClosePrices[i] < _pricesmooth.Result[i] ? Bars.ClosePrices[i] - _pricesmooth.Result[i] : 0.0);
            _abo[i] = _above[i] + _below[i];

            outABZone[i] = _abosmooth.Result[i];
            outLevelZero[i] = 0;
        }
    }
}